import { useMemberStore } from '@/stores'

const baseURL = 'https://pcapi-xiaotuxian-front-devtest.itheima.net'

const httpInterceptor = {
	// 拦截前触发
	invoke(options : UniApp.RequestOptions) {
		// 1. 非 http 开头需拼接地址
		if (!options.url.startsWith('http')) {
			options.url = baseURL + options.url
		}
		// 2. 请求超时
		options.timeout = 10000
		// 3. 添加小程序端请求头标识
		options.header = {
			...options.header,
			'source-client': 'miniapp',
		}
		// 4. 添加 token 请求头标识
		const memberStore = useMemberStore()
		const token = memberStore.profile?.token
		if (token) {
			options.header.Authorization = token
		}
	},
}

// 添加拦截器
uni.addInterceptor('request', httpInterceptor)
uni.addInterceptor('uploadFile', httpInterceptor)

interface Data<T> {
	code : string,
	msg : string,
	result : T
}
// 添加类型，支持泛型
export const http = <T>(options : UniApp.RequestOptions) => {
	return new Promise<Data<T>>((resolve, reject) => {
		uni.request({
			...options,
			// 响应成功
			success(res) {
				if (res.statusCode >= 200 && res.statusCode < 300) {
					resolve(res.data as Data<T>)
				} else if (res.statusCode === 401) {
					// 401错误 -> 清理用户信息，跳转到登陆页
					const memberStore = useMemberStore()
					memberStore.clearProfile()
					uni.navigateTo({
						url: '/pages/login/login'
					})
					reject(res)
				} else {
					uni.showToast({
						icon: 'none',
						title: (res.data as Data<T>).msg || '请求错误'
					})
					reject(res)
				}
			},
			// 响应失败
			fail(err) {
				uni.showToast({
					icon: 'none',
					title: '网络错误'
				})
				reject(err)
			}
		})
	})
}